Record player program selector

Details Record player program selector Record player program selector

1981-12-16

1983-08-09

Stephan, Steven L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 41, 369 75, G11B 700, G11B 300

Patent

active

043982786

ABSTRACT:
A program selector for a record player of the type having a turntable supported on a movable carrier which is actuable to move the turntable into and out of a housing, and having a tone arm which is movable across the surface of a record and controllable to play back at least a selected one of plural programs recorded on the record in separate segments which are spaced apart from each other by respecting inter-program gaps. An inter-program gap detector detects the location of each inter-program gap on the record and produces an inter-program gap signal representing that location as the carrier moves the turn-table into the housing. A selector is provided for selecting a prgram to be played by selecting a particular inter-program gap signal which represents the location on the record of the desired program. A tone arm position detector detects the position of the tone arm as it moves across the surface of the record and produces a tone arm position signal representing the relative position of that tone arm. A control circuit compares the tone arm position signal to the selected inter-program gap signal and produces a control signal when the tone arm position signal corresponds to the selected inter-program gap signal so as to cause the tone arm to play back the selected program.

REFERENCES:
patent: 2952464 (1960-09-01), Stimler
patent: 3937903 (1976-02-01), Osann, Jr.
patent: 4093832 (1978-06-01), Isaacson et al.
patent: 4114893 (1978-09-01), Leach et al.
patent: 4226425 (1980-10-01), Juso
patent: 4260162 (1981-04-01), Morri et al.
patent: 4301526 (1981-11-01), Morri et al.

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